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A new species of Halicyclops (Copepoda, Cyclopoida, Cyclopidae) from a lagoon system of the Caribbean coast of Colombia

Por: Suárez Morales, Eduardo. Doctor [autor/a].
Fuentes Reinés, Juan Manuel [autor/a].
Tipo de material: Artículo en línea Artículo en línea Tema(s): Halicyclops gaviriai | Copépodos | Taxonomía animal | Especies nuevasTema(s) en inglés: Halicyclops gaviriai | Copepoda | Animal taxonomy | New speciesDescriptor(es) geográficos: Laguna Navío Quebrado (La Guajira, Colombia) Nota de acceso: Acceso en línea sin restricciones En: ZooKeys. número 459 (December 2014), páginas 35-47. --ISSN: 1313-2989Número de sistema: 3021Resumen:
Inglés

Plankton samples obtained from the lagoon system Laguna Navío Quebrado, in northern Colombia, yielded male and female specimens of an undescribed cyclopoid copepod of the genus Halicyclops. The new species belongs to the highly diverse and widely distributed thermophilus-complex. It closely resembles H. clarkei Herbst, 1982 from Louisiana and H. bowmani Rocha & Iliffe, 1993 from Bermuda. These species share the same armature of P1-P4EXP3, with a 3443 spine formula and the terminal antennary segment with 5 setae. However, H. gaviriai sp. n. can be separated from both H. clarkei and H. bowmani by the morphology of the anal pseudoperculum, the proportions of the fourth antennulary segment, the length of the inner basipodal spine of P1, the P1EXP/inner basipodal spine inner length ratio and the length/width ratio of the caudal rami. This is the third species of Halicyclops recorded from Colombia and the first one described from this country. With the addition of H. gaviriai sp. n., the number of species of Halicyclops known from the Neotropics increases to 19. The regional diversity of the genus is probably underestimated.

Recurso en línea: http://www.luciopesce.net/pdf21/halicyclops.pdf
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Acceso en línea sin restricciones

Plankton samples obtained from the lagoon system Laguna Navío Quebrado, in northern Colombia, yielded male and female specimens of an undescribed cyclopoid copepod of the genus Halicyclops. The new species belongs to the highly diverse and widely distributed thermophilus-complex. It closely resembles H. clarkei Herbst, 1982 from Louisiana and H. bowmani Rocha & Iliffe, 1993 from Bermuda. These species share the same armature of P1-P4EXP3, with a 3443 spine formula and the terminal antennary segment with 5 setae. However, H. gaviriai sp. n. can be separated from both H. clarkei and H. bowmani by the morphology of the anal pseudoperculum, the proportions of the fourth antennulary segment, the length of the inner basipodal spine of P1, the P1EXP/inner basipodal spine inner length ratio and the length/width ratio of the caudal rami. This is the third species of Halicyclops recorded from Colombia and the first one described from this country. With the addition of H. gaviriai sp. n., the number of species of Halicyclops known from the Neotropics increases to 19. The regional diversity of the genus is probably underestimated. eng

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